Macromedia has two Flex training classes available

Macromedia has two Flex training classes available For Flex, though the main training link directs you to their Fast Track 3 day class.

Developing Rich Internet Applications with Macromedia Flex .
Macromedia Flex for Web Application Developers

Macromedia states that the first class is primary intended for Java programmers. It's essentially a subset of the Macromedia Flex for Web Application Developers Class.

The additional day of the second class provides;

Unit 6:
Using the DividedBox container

Unit 7:
Using the LinkBar with the ViewStack
Using the TabBar with the ViewStack

Unit10:
Instantiating Flex Classes in ActionScript

Unit 11:
Handling results using an event handler

Unit 14:
Passing arguments to web services
Configuring the Flex proxy for web services
Retrieving data directly from ColdFusion Components

Unit 15:
Creating an ActionScript constructor with parameters
Creating a CRUD component(Create,Read,Update,Delete) handling complex data